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Write short notes on tuple relational calculus.
The tuple relational calculation is anon procedural query language. It defines the desired information without giving a particular procedure for obtaining that information.
Explain the cartesian product in Database Management System
Describe analysis of access paths To describe analysis of access paths, consider an example of the design of a company's employee skills database. A part of the object model fr
Why is need for the multiple access paths?
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
random file orgnization
Safe Banking is a Canberra based credit union, which has several branches around Canberra and Queanbeyan. YOU have taken over Safe Banking. YOU need to create a database that organ
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Problem : AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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